Worthy bundle contains 13pcs light-up rings, enough quantity for your friend&dears in your memory events to hit the night. | Each flashing light up ring features an on/off button on the under side of the led ring, like a squeeze motion to control switch. | Bachelorette party light up rings flashing with three colorful lights and maximum lasts up 4 hours,plastic diamond lights up for a fun effect and light up the night! Make it a great fun at bachelorette party. | These flashing led rings are a hit and a highlight at party, it built in battery that supply the power for the led light. Sorry batteries not replaceable, rings sealed for safety. | Perfect for bachelorette party bridal shower wedding party birthday gatsby party hen party decorations night out party favors divorce party home gathering party favor concerts rings.These light up rings are so fun and suitable for ages 13 and above and occasions!